# name = "小明"
# age = 21
# result_one = "你好！我的名字是{}，今年我{}岁了。".format(name, age)
# print(result_one)
# result_two = "你好！我的名字是{1},今年我{0}岁了。".format(age, name)
# print(result_two)
# str_one = "乘风破浪会有时，"
# str_two = "直挂云帆济沧海。"
# result = str_one + str_two
# print(result)
# word = "日月之行，若出其中；星汉灿烂，若出其里；"
# result_one = word.replace(";","。")
# print(result_one)
# result_two = word.replace(";""," "。", 1)
# print(result_two)
word = "1 2 3 4 5"
result_one = word.split()
print(result_one)
word = "a,b,c,d,e"
result_two = word.split(",")
print(result_two)
result_thr = word.split(",", 3)
print(result_thr)
